Granted Patent
Utility
US 4,742,671 · App. 06/086,456
Crop harvesting machine base unit lift mechanism providing auxiliary height boost to crop gathering attachment
Inventor:
Gary L. Bich
Patented Case
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Granted: May 10, 1988
Filed: Aug 17, 1987
Inventor
Gary L. Bich
Assignee (at issue)
New Holland, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.